# Learjet 31 - Type: Aircraft model (FAA registry) - Registry code: 5170530 - Manufacturer (registry): LEARJET INC - Model: 31 - Aircraft type: Fixed wing multi engine - Engines: 2 - Seats: 10 - Data sheet: TCDS A10CE - Registered aircraft: 15 - Page: https://openairdocs.org/model/learjet-31 ## ADs that may apply - [AD 2018-19-04](https://openairdocs.org/ad/2018-19-04): TE Flap Control System · Learjet 28, 29, 31 and 9 more. Effective Oct 23, 2018 - [AD 2007-17-17](https://openairdocs.org/ad/2007-17-17): Unsealed gaps on the pylon side of the engine firewall · Learjet 31, 31A, 35 and 7 more. Effective Oct 2, 2007 - [AD 2007-04-18](https://openairdocs.org/ad/2007-04-18): Left- and right-hand standby fuel pump switches · Learjet 23, 24, 24A and 25 more. Effective Mar 23, 2007 - [AD 2005-13-36](https://openairdocs.org/ad/2005-13-36): Center ball of the aileron control cable · Learjet 23, 24, 24A and 21 more. Effective Aug 9, 2005 - [AD 2004-03-08](https://openairdocs.org/ad/2004-03-08): Drag Angles of Fuselage and Engine Pylons · Learjet 31, 31A, 35 and 3 more. Effective Mar 15, 2004 - [AD 2001-07-11](https://openairdocs.org/ad/2001-07-11): Main Landing Gear Tires · Learjet 23, 24, 24A and 25 more. Effective May 1, 2001 - [AD 99-23-19](https://openairdocs.org/ad/99-23-19): Spoiler Actuator · Learjet 31, 31A, 35 and 2 more. Effective Dec 21, 1999 - [AD 99-16-03](https://openairdocs.org/ad/99-16-03): Horizontal Stabilizer Anti-Ice System · Learjet 23, 24, 24A and 22 more. Effective Sep 7, 1999 - [AD 98-06-28](https://openairdocs.org/ad/98-06-28): Auxiliary Cabin Heater Relay Box AWG Wire · Learjet 31 and 35A (C-21A). Effective Apr 24, 1998 - [AD 95-20-03](https://openairdocs.org/ad/95-20-03): Airplane Flight Manual (AFM) - Altitude Limitations · Learjet 24, 24A, 24B and 24 more. Effective Nov 2, 1995 - [AD 94-01-06](https://openairdocs.org/ad/94-01-06): Traffic Alert and Collision Avoidance System II Processors · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 176 more. Effective Feb 4, 1994 - [AD 92-19-12](https://openairdocs.org/ad/92-19-12): Oxygen Plumbing & Map Light Wires · Learjet 23, 24, 24A and 22 more. Effective Nov 17, 1992 - [AD 91-03-08](https://openairdocs.org/ad/91-03-08): Fluorescent Lighting Systems · Learjet 31, 35, 35A (C-21A) and 5 more. Effective Feb 12, 1991 Historical (superseded or no longer in force): AD 96-11-07 ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ATL97LA131](https://openairdocs.org/ntsb/ATL97LA131), Sep 2, 1997: Learjet 31 (N71JC), Aberdeen, MS, destroyed. Probable cause: The flightcrew's failure to extend the landing gear. ## FAA accident and incident reports (8) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20170406006359I](https://openairdocs.org/incident/20170406006359I), Apr 6, 2017: Learjet Inc 31 (N38MG), Boulder, CO, Minor damage. On 4-6-17 at approximatley 1504 MDT, a 1989 LR31, N38MG veered off the runway after landing at the boiulder municipal airport in Boulder, CO and sustained… - [Incident 20150330005569I](https://openairdocs.org/incident/20150330005569I), Mar 30, 2015: Learjet Inc 31 (N90WA), Houston, TX, Minor damage. Maintenance had been performed on the aircraft in the nose compartment area and the aircraft had been approved for return to service following this… - [Incident 20100907044869I](https://openairdocs.org/incident/20100907044869I), Sep 7, 2010: Learjet Inc 31 (N331N), Traverse City, MI, No damage. At 0657L, 7 sep 2010, N331N, a 1990 lear 31 operated by air services, inc., departed in VMC (visual meteorological condition) from runway 18 on a part 91 trip… - [Incident 20090417009489I](https://openairdocs.org/incident/20090417009489I), Apr 17, 2009: Lear 31 (N818LJ), Boca Raton, FL, No damage. (-23) This aircraft N818LJ had departed Boca Raton Airport (kbct) and landed at ft. lauderdale international airport (kfll) where the crew picked up… - [Incident 20020912027479I](https://openairdocs.org/incident/20020912027479I), Sep 12, 2002: Lear 31 (N5VG), Rogers, AR, Minor damage. (-23) On September 12, 2002 at 15:44 CDT a Lear 31, N5VG, owned and operated by wal-mart stores inc. #5 hammerschmidt dr. Rogers, Arkansas, 72756, experienced… - [Incident 19971024046649I](https://openairdocs.org/incident/19971024046649I), Oct 24, 1997: Lear 31 (N337FP), Crystal River, FL, Minor damage. (-23) On October 24, 1997, at 1050 EDT, a Lear jet 31, N337FP, owned by the Florida power company, and piloted by first officer james d. jones, scraped the… - [Accident 19970902025009A](https://openairdocs.org/incident/19970902025009A), Sep 2, 1997: Lear 31 (N71JC), Aberdeen/Amory, MS, Substantial damage. High on landing approach. Went around. Beleived gear remained down. Landed gear up. Slid 3000FT and caught fire. (-23) aircraft missed approach and on go… - [Incident 19890314016609I](https://openairdocs.org/incident/19890314016609I), Mar 14, 1989: Lear 31 (N71JC), New York, NY. Gear unsafe indication on approach. Landed without incident. High altitude en route froze the gear micro switch. ## Complete lists - aircraft: 15, https://openairdocs.org/model/learjet-31/aircraft - ads: 14, https://openairdocs.org/model/learjet-31/ads - incidents: 8, https://openairdocs.org/model/learjet-31/incidents --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.